This tutorial introduces service providers to some of the features
available in BGP to aid multihoming to the Internet. After an
explanation of multihoming and the principles being followed in this
tutorial, several examples involving different scenarios will be
given. Configuration techniques for modifying inbound and outbound
traffic flows are covered, as are some examples on how to use BGP
communities in inter-AS relationships. The tutorial finishes by
covering some common multihoming security issues.
Level: Introductory to Intermediate
About the Presenter
Philip Smith joined Cisco Systems in January 1998. He is a member of the
Service Provider Architectures Group of Consulting Engineering, within
Corporate Development. His role includes working with many ISPs in the
Asia-Pacific region and the rest of the world, specifically in network
strategies, design, technology, and operations, as well as helping with
network configuration and scaling. Other areas of interest also include
Internet routing, Internet protocols, IPv6, and encouraging the growth of
the Internet around the world.
Prior to joining Cisco, he spent five years at PIPEX (now part of UUNET's
global ISP business), the UK's first commercial Internet Service Provider.
He was one of the first engineers working in the UK Internet, and played a
fundamental role in building the modern Internet in the UK and Europe.
Philip is co-author of Cisco ISP Essentials, published by Cisco Press. He holds a Doctor of Philosophy and has a First Class Honours Degree in Physics. He lives in Brisbane, Australia.
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